100303445 has 32 divisors (see below), whose sum is σ = 137272320. Its totient is φ = 69696000.

The previous prime is 100303429. The next prime is 100303447. The reversal of 100303445 is 544303001.

It is not a de Polignac number, because 100303445 - 2⁴ = 100303429 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100303447) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 151415 + ... + 152075.

It is an arithmetic number, because the mean of its divisors is an integer number (4289760).

Almost surely, 2^100303445 is an apocalyptic number.

It is an amenable number.

100303445 is a deficient number, since it is larger than the sum of its proper divisors (36968875).

100303445 is a wasteful number, since it uses less digits than its factorization.

100303445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 797.

The product of its (nonzero) digits is 720, while the sum is 20.

The square root of 100303445 is about 10015.1607575715. The cubic root of 100303445 is about 464.6278982545.

Adding to 100303445 its reverse (544303001), we get a palindrome (644606446).

The spelling of 100303445 in words is "one hundred million, three hundred three thousand, four hundred forty-five".